Acer Aspire 6935g Service Guide

							Chapter 251
BIOS Flash Utility
The BIOS flash memory update is required for the following conditions:
‰New versions of system programs
‰New features or options
‰Restore a BIOS when it becomes corrupted
Use the Phlash utility to update the system BIOS flash ROM.
NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery 
Diskette before you use the Phlash utility.
NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash.
NOTE: Please use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not 
contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not 
completely loaded. 
Fellow the steps below to run the Phlash.
1.Prepare a bootable diskette.
2.Copy the flash utilities to the bootable diskette.
3.Then boot the system from the bootable diskette. The flash utility has auto-execution function. 
						

							52Chapter 2
HDD unlock Utility
This section provide you with removing HDD password method.
Remove HDD Password:
If you key in wrong HDD password for three time, “HDD password error code” would display on the screen. 
See the image below.
If you need to solve HDD password locked problem, you can run unlock6.EXE
1.Key in “unlock6 error code 205”
2.Select “2”
3.Choose one HDD password
Reboot system and key in “R6PI11X” or “MI8N4KK” to HDD user password.
Then the HDD password will be unlocked and will auto into Windows after reboot. 
						

							Chapter 353
This chapter contains step-by-step procedures on how to disassemble the notebook computer Aspire 6935G 
for maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
‰Wrist grounding strap and conductive mat for preventing electrostatic discharge
‰Small Philips screw driver
‰hilips screwdriver
‰Plastic flat head screw driver
‰Tw e e z e r s
NOTE: The screws for the different components vary in size. During the disassembly process, group the 
screws with the corresponding components to avoid mismatch when putting back the components. 
When you remove the stripe cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							54Chapter 3
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following:
1.Turn off the power to the system and all peripherals.
2.Unplug the AC adapter and all power and signal cables from the system.
3.Remove the battery pack. 
						

							Chapter 355
Disassembly Procedure Flowchard
The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence 
and instructs you on the components that need to be removed during servicing. For example, if you want to 
remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order.
Main unit disassembly flow chart 
						

							56Chapter 3
LCM module disassembly flow chart 
						

							Chapter 357
Removing the Battery Pack
1.Release the battery.
2.Slide the battery latch then remove the battery.
Removing the HDD/Memory Module/Wireless LAN Card/TV Tuner 
Card/System Fan/Thermal Modules/CPU
Removing the HDD
1.1. Remove the six screws fastening the CTO cover
2.2. Detach the CTO cover from the notebook..
Removing the Wireless Cover & RAM Module
3.Remove one screw to release the Wireless cover
4.Remove the Wireless cover from the notebook. 
						

							58Chapter 3
5.Pop out the memory module from the DIMM socket then remove it (If the notebook has two memory 
modules, then repeat this step). 
Removing the Wireless LAN Card/TV Tunder Card and System Fan
6.Pull out the Wireless antenna.
7.Remove the two screws fastening the wireless LAN card.t.
8.Disconnect the main and auxiliary antennae from the wireless LAN card.
9.Then take out the wireless LAN card from the main unit.
10.Loose two screws from the TV card.
11 .Remove the TV card from the machine. 
12.Remove the two screws from the Wireless card.
13.Remove the Wireless card from the machine..
14.Remove HDD module as shown. 
						

							Chapter 359
15.Unplug power cable from the machine.
16.Remove FAN cable from the machine.
17.Loose the FAN screw.
18.Take out the system fan from the main unit as shown.
Removing the Thermal Modules and the CPU
19.Remove the two screws holding the finger heatsink.
20.Detach the finger heatsink from the main board.
21.Then take out the CPU heatsink from the main board.
22.Use a flat screwdriver to release the CPU lock (Turn counter clock-wise) then remove the CPU carefully.  
23.Remove the Express dummy card. 
						

							60Chapter 3
24. Remove the card reader dummy.
Removing the ODD and Dummy cards
25.Remove the screw fastening the optical disk drive module on the bottom.
26.Use a tool to push the optical disk drive module outwards and remove the ODD module  
Removing the Hinge cover
27.Remove two hinge cover screws.
28.Then detach the Hinge cover from both side.